You bet your bippy!! The いでか modification is Kinki dialect, now mainly used in rakugo and historical dramas. It's effectively an abbreviated equivalent to "ないわけがあるか (Is there a reason I wouldn't (X)?"Bonito soft serve ice cream? You're going to have some?I'm sorry, but today's supply has sold out.W-...well, we can always come back...Guess I've no choice...I'll have these bonito croquettes, please.Hold it, you.